settings_org.js: Remove var parse_time_limit.
settings_org.js: Remove var parse_time_limit.

It would conflict with `exports.parse_time_limit` after migration to
an ES6 module.

Signed-off-by: Anders Kaseorg <087231934ba8fcf78bc142ce37d193b895ac03c4@mit.edu>

timabbott/zulip,shubhamdhama/zulip,andersk/zulip,shubhamdhama/zulip,andersk/zulip,timabbott/zulip,brainwane/zulip,rishig/zulip,rht/zulip,brainwane/zulip,hackerkid/zulip,brainwane/zulip,synicalsyntax/zulip,andersk/zulip,tommyip/zulip,punchagan/zulip,rishig/zulip,hackerkid/zulip,timabbott/zulip,zulip/zulip,tommyip/zulip,tommyip/zulip,eeshangarg/zulip,showell/zulip,synicalsyntax/zulip,tommyip/zulip,kou/zulip,punchagan/zulip,brainwane/zulip,timabbott/zulip,kou/zulip,punchagan/zulip,eeshangarg/zulip,kou/zulip,eeshangarg/zulip,synicalsyntax/zulip,showell/zulip,zulip/zulip,rishig/zulip,eeshangarg/zulip,rht/zulip,kou/zulip,tommyip/zulip,zulip/zulip,shubhamdhama/zulip,timabbott/zulip,hackerkid/zulip,showell/zulip,kou/zulip,brainwane/zulip,synicalsyntax/zulip,synicalsyntax/zulip,rishig/zulip,kou/zulip,timabbott/zulip,rishig/zulip,shubhamdhama/zulip,zulip/zulip,rht/zulip,shubhamdhama/zulip,hackerkid/zulip,andersk/zulip,zulip/zulip,synicalsyntax/zulip,showell/zulip,punchagan/zulip,showell/zulip,punchagan/zulip,showell/zulip,showell/zulip,hackerkid/zulip,zulip/zulip,rishig/zulip,punchagan/zulip,rishig/zulip,hackerkid/zulip,rht/zulip,rht/zulip,brainwane/zulip,andersk/zulip,timabbott/zulip,kou/zulip,tommyip/zulip,shubhamdhama/zulip,eeshangarg/zulip,andersk/zulip,shubhamdhama/zulip,eeshangarg/zulip,hackerkid/zulip,rht/zulip,zulip/zulip,synicalsyntax/zulip,andersk/zulip,punchagan/zulip,tommyip/zulip,brainwane/zulip,rht/zulip,eeshangarg/zulip